NPPES file of Aug 9, 2026

William Michael Geisler, MD

Infectious Disease Physician · Birmingham, AL

William Michael Geisler, MD is an infectious disease physician with a practice address in Birmingham, Alabama, and NPI 1740224989, issued on Jun 16, 2006. Check the license (Alabama 24652, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740224989
Name
William Michael Geisler
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
24652 AL
Self-reported in NPPES; status is on the state search
Practice location
619 19TH Street South, Birmingham, AL 35233
Phone
(205) 934-6600
Enumerated
Jun 16, 2006
Record last updated
Jul 13, 2026
Medicaid IDs
009930735 AL
009903795 AL
051551994 AL
009997030 AL
Medicare enrollment
Enrolled (PECOS I20111102000862); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 619 19TH Street South

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ann Adams, CRNPAcute Care Nurse Practitioner1649517996
  2. Shannon Adkins, CRNACertified Registered Nurse Anesthetist1457368672
  3. Anupam Agarwal, MDNephrology Physician1942217179
  4. Ali Ahmed, MDGeriatric Medicine (Internal Medicine) Physician1003856600
  5. Graciela Alarcon, MDRheumatology Physician1528012879
  6. Charles Alexander, MDAnatomic Pathology Physician1669426789

Verify William Michael Geisler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license 24652
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Alabama license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average infectious disease physician in 2024

15 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Geisler15
  2. Specialty average689

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $2,726.82

3 payments; by number, the most common kind was consulting fee; the largest payer was Merck Sharp & Dohme LLC. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Geisler$2,726.82
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Alabama Health Services Foundation, PCBirmingham, AL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Michael Geisler among 112 infectious disease physician records in Alabama

William Michael Geisler, MD is one of 112 infectious disease physician records with a practice address in Alabama. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 55% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1996 · median 2006 among the 82 with a school on file
  • Record last updated2026 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Alabama

There are 112 infectious disease physician records in Alabama.

The 8 infectious disease physician records with the nearest ZIP codes

  1. John Baddley, MDBirmingham, AL 352331801841333
  2. Charles Cobbs, MDBirmingham, AL 352331265475990
  3. Paul Goepfert, MDBirmingham, AL 352331366470718
  4. Sonya HeathBirmingham, AL 352331558390971
  5. Craig HoesleyBirmingham, AL 352331942236708
  6. Edward HookBirmingham, AL 352331043247265
  7. Michael MugaveroBirmingham, AL 352331730131590
  8. Edgar OvertonBirmingham, AL 352331073539201

Common questions

What is William Michael Geisler, MD's NPI number?

William Michael Geisler, MD's National Provider Identifier (NPI) is 1740224989, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Michael Geisler, MD located?

The NPPES record lists a practice address at 619 19TH Street South, Birmingham, AL, 35233. Phone: (205) 934-6600. Providers update this record themselves, so call before visiting.

How can I verify William Michael Geisler, MD's license?

NPPES lists Alabama license number 24652, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Michael Geisler, MD prescribe under Medicare Part D?

In 2024, William Michael Geisler, MD had 15 Medicare Part D claims; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.